It's sounds like the brakes, Someone might have used the front brake really hard. try spraying the front caliper with a water hose to wash the brake dust from between the pads and the rotor. If that don't work pull the caliper off and see if the pads are glazed over. If they are you can take some fine sand paper and rough them up a little bit.

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Sounds like a faulty sensor, is the neutral light on when you turn on the bike? One thing to also check is a shorting wire which could also be causing the problem, unfortunately it is a process of illimination.

Yes if it is leaking from the spokes that means that you need a new inner tube. Wheels with spokes are only supposed to use tubed tires. If you want to go tubeless there is a place in California that will seal the wheels for you. Look it up on Google, do a search for sealing rims with spokes.

It's sounds like the brakes, Someone might have used the front brake really hard. try spraying the front caliper with a water hose to wash the brake dust from between the pads and the rotor. If that don't work pull the caliper off and see if the pads are glazed over. If they are you can take some fine sand paper and rough them up a little bit.

It's sounds like the brakes, Someone might have used the front brake really hard. try spraying the front caliper with a water hose to wash the brake dust from between the pads and the rotor. If that don't work pull the caliper off and see if the pads are glazed over. If they are you can take some fine sand paper and rough them up a little bit.

It's sounds like the brakes, Someone might have used the front brake really hard. try spraying the front caliper with a water hose to wash the brake dust from between the pads and the rotor. If that don't work pull the caliper off and see if the pads are glazed over. If they are you can take some fine sand paper and rough them up a little bit.